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Finding the Fourth Proportional to 334,388.40, 461,455.97 and 191,151.65

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Solution

The fourth proportional to 334,388.40, 461,455.97 and 191,151.65 is: 263,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,388.40 : 461,455.97 = 191,151.65 : x
  2. Step 2: Convert to fraction form
    334,388.40/461,455.97 = 191,151.65/x
  3. Step 3: Cross multiply
    334,388.40x = 461,455.97 × 191,151.65
  4. Step 4: Simplify right side
    334,388.40x = 88,208,066,804.81
  5. Step 5: Solve for x
    x = 88,208,066,804.81/334,388.40
  6. Step 6: Final answer
    x = 263,789.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.